120491158 has 8 divisors (see below), whose sum is σ = 188594928. Its totient is φ = 57626184.

The previous prime is 120491153. The next prime is 120491159. The reversal of 120491158 is 851194021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120491153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309641 + ... + 1309732.

It is an arithmetic number, because the mean of its divisors is an integer number (23574366).

Almost surely, 2^120491158 is an apocalyptic number.

120491158 is a deficient number, since it is larger than the sum of its proper divisors (68103770).

120491158 is a wasteful number, since it uses less digits than its factorization.

120491158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619398.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 120491158 is about 10976.8464505977. The cubic root of 120491158 is about 493.9144431592.

The spelling of 120491158 in words is "one hundred twenty million, four hundred ninety-one thousand, one hundred fifty-eight".